GM Service Manual Online
For 1990-2009 cars only

Disconnect Procedure

Caution: Refer to Gasoline/Gasoline Vapors Caution in the Preface section.


    Object Number: 1555942  Size: SH

    Important: There are several types of Plastic Collar Fuel and Evaporative Emission Quick Connect Fittings used on this vehicle.

       • Bartholomew (1)
       • Q Release (2)
       • Squeeze to Release (3)
       • Sliding Retainer (4)
       • Push Down TI (5)
    The following instructions apply to all types of Plastic Collar Fuel and Evaporative Emission Quick Connect Fittings used on this vehicle.

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Caution: Refer to Safety Glasses Caution in the Preface section.

    Notice: Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Notice in the Preface section.


    Object Number: 155410  Size: SH
  3. Using compressed air, blow any dirt or debris from around the connection.

  4. Object Number: 12777  Size: SH
  5. This step applies to the Bartholomew style connector ONLY. Squeeze the plastic quick connect fitting release tabs.

  6. Object Number: 1205667  Size: SH
  7. This step applies to Release Tab style connectors ONLY. Release the fitting by pushing the tab toward the other side of the slot in the fitting.

  8. Object Number: 1205675  Size: SH
  9. This step applies to the Squeeze to Release style connector ONLY. Squeeze where indicated by the arrow shown above on both sides of the plastic ring surrounding the quick connect fitting.

  10. Object Number: 1205683  Size: SH
  11. This step applies to the Sliding Retainer style connector ONLY. Release the fitting by pressing on one side of the release tab causing it to push on slightly. If the tab doesn't move try pressing the tab in from the opposite side. The tab will only move in one direction.

  12. Object Number: 1555944  Size: SH
  13. This step applies to the Push Down TI style connector ONLY. Release the fitting by pressing on the tab indicated by the arrow.
  14. Caution: Refer to Relieving Fuel Pressure Caution in the Preface section.


    Object Number: 12778  Size: SH
  15. Pull the connection apart.
  16. Wipe off the male pipe end using a clean shop towel.
  17. Inspect both ends of the fitting for dirt and burrs.
  18. Clean or replace the component as required.

Connect Procedure

Caution: Refer to Fuel Pipe Fitting Caution in the Preface section.


    Object Number: 155425  Size: SH
  1. Apply a few drops of clean engine oil to the male connection end.

  2. Object Number: 21855  Size: SH
  3. Push both sides of the quick-connect fitting together in order to cause the retaining feature to snap into place.

  4. Object Number: 155399  Size: SH
  5. Once installed pull on both sides of the connection in order to make sure the connection is secure.